Tag Archives: maps

Portolan Maps: the medieval GPS?

Posted on June 10, 2011 by Chris Rowan

With the right chart, all medieval navigators needed to get from port to port was a compass, and a bearing to follow… Continue reading →

Categories: palaeomagic

Christmas gifts for geologists: maps

Posted on December 18, 2008 by Chris Rowan

Maps are cool. Even non geological ones.
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Categories: gifts and gadgets